Ohio Rev. Code § 2939.25: Attendance of witnesses at foreign grand jury proceedings definitions.

As used in sections 2939.25 to 2939.29, inclusive, of the Revised Code:

(A) "Witness" includes a person whose testimony is desired in any proceeding or investigation by a grand jury or in a criminal action, prosecution, or proceeding.

(B) "State" includes any territory of the United States and District of Columbia.

(C) "Summons" includes a subpoena, order, or other notice requiring the appearance of a witness.